<template>
  <section class="main">
    <input id="toggle-all" class="toggle-all" type="checkbox" />
    <label for="toggle-all" @click="checkALL" >Mark all as complete</label>
    <ul class="todo-list">
      <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
      <li :class="{ completed: item.flag }" v-for="item in list" :key="item.id">
        <div class="view">
          <input
            class="toggle"
            type="checkbox"
            :checked="item.flag"
            @click="changeFlag(item.id)"
          />
          <label>{{ item.content }}</label>
          <button class="destroy" @click="del(item.id, item.flag)"></button>
        </div>
      </li>
    </ul>
  </section>
</template>

<script>
export default {
  components: {},
  props: {
    list: {
      type: Array,
      required: true,
    },
  },
  data() {
    return {}
  },
  computed: {},
  watch: {},
  created() {},
  methods: {
    del(id, flag) {
      this.$emit('del', id, flag)
    },
    changeFlag(id) {
      this.$emit('changeFlag', id)
    },
    checkALL() {
      this.$emit('checkALL')
    },
  },
}
</script>

<style scoped></style>
